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            <td width="10%" class="headerItem">Current view:</td>
            <td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">src</a> - parser.cpp<span style="font-size: 80%;"> (source / <a href="parser.cpp.func-sort-c.html">functions</a>)</span></td>
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            <td width="15%"></td>
            <td width="10%" class="headerCovTableHead">Hit</td>
            <td width="10%" class="headerCovTableHead">Total</td>
            <td width="15%" class="headerCovTableHead">Coverage</td>
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            <td class="headerItem">Test:</td>
            <td class="headerValue">id:000977,sync:fuzzer2,src:001052.lcov_info_final</td>
            <td></td>
            <td class="headerItem">Lines:</td>
            <td class="headerCovTableEntry">59</td>
            <td class="headerCovTableEntry">71</td>
            <td class="headerCovTableEntryMed">83.1 %</td>
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            <td class="headerItem">Date:</td>
            <td class="headerValue">2016-03-13 10:42:47</td>
            <td></td>
            <td class="headerItem">Functions:</td>
            <td class="headerCovTableEntry">10</td>
            <td class="headerCovTableEntry">13</td>
            <td class="headerCovTableEntryMed">76.9 %</td>
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<pre class="sourceHeading">          Line data    Source code</pre>
<pre class="source">
<a name="1"><span class="lineNum">       1 </span>            : #include &lt;cstdio&gt;</a>
<span class="lineNum">       2 </span>            : #include &lt;sstream&gt;
<span class="lineNum">       3 </span>            : 
<span class="lineNum">       4 </span>            : #include &quot;directives.h&quot;  // IWYU pragma: keep
<span class="lineNum">       5 </span>            : #include &quot;scanner.h&quot;     // IWYU pragma: keep
<span class="lineNum">       6 </span>            : #include &quot;singledocparser.h&quot;
<span class="lineNum">       7 </span>            : #include &quot;token.h&quot;
<span class="lineNum">       8 </span>            : #include &quot;yaml-cpp/exceptions.h&quot;  // IWYU pragma: keep
<span class="lineNum">       9 </span>            : #include &quot;yaml-cpp/parser.h&quot;
<span class="lineNum">      10 </span>            : 
<span class="lineNum">      11 </span>            : namespace YAML {
<a name="12"><span class="lineNum">      12 </span>            : class EventHandler;</a>
<span class="lineNum">      13 </span>            : 
<a name="14"><span class="lineNum">      14 </span><span class="lineNoCov">          0 : Parser::Parser() {}</span></a>
<span class="lineNum">      15 </span>            : 
<a name="16"><span class="lineNum">      16 </span><span class="lineCov">       2036 : Parser::Parser(std::istream&amp; in) { Load(in); }</span></a>
<span class="lineNum">      17 </span>            : 
<a name="18"><span class="lineNum">      18 </span><span class="lineCov">       2036 : Parser::~Parser() {}</span></a>
<span class="lineNum">      19 </span>            : 
<span class="lineNum">      20 </span><span class="lineNoCov">          0 : Parser::operator bool() const {</span>
<span class="lineNum">      21 </span><span class="lineNoCov">          0 :   return m_pScanner.get() &amp;&amp; !m_pScanner-&gt;empty();</span>
<a name="22"><span class="lineNum">      22 </span>            : }</a>
<span class="lineNum">      23 </span>            : 
<span class="lineNum">      24 </span><span class="lineCov">       2036 : void Parser::Load(std::istream&amp; in) {</span>
<span class="lineNum">      25 </span><span class="lineCov">       2036 :   m_pScanner.reset(new Scanner(in));</span>
<span class="lineNum">      26 </span><span class="lineCov">       2036 :   m_pDirectives.reset(new Directives);</span>
<span class="lineNum">      27 </span><span class="lineCov">       2036 : }</span>
<span class="lineNum">      28 </span>            : 
<span class="lineNum">      29 </span>            : // HandleNextDocument
<span class="lineNum">      30 </span>            : // . Handles the next document
<a name="31"><span class="lineNum">      31 </span>            : // . Throws a ParserException on error.</a>
<span class="lineNum">      32 </span>            : // . Returns false if there are no more documents
<span class="lineNum">      33 </span><span class="lineCov">       2036 : bool Parser::HandleNextDocument(EventHandler&amp; eventHandler) {</span>
<span class="lineNum">      34 </span><span class="lineCov">       2036 :   if (!m_pScanner.get())</span>
<span class="lineNum">      35 </span><span class="lineNoCov">          0 :     return false;</span>
<span class="lineNum">      36 </span>            : 
<span class="lineNum">      37 </span><span class="lineCov">       2036 :   ParseDirectives();</span>
<span class="lineNum">      38 </span><span class="lineCov">       1757 :   if (m_pScanner-&gt;empty())</span>
<span class="lineNum">      39 </span><span class="lineCov">        136 :     return false;</span>
<span class="lineNum">      40 </span>            : 
<span class="lineNum">      41 </span><span class="lineCov">       2566 :   SingleDocParser sdp(*m_pScanner, *m_pDirectives);</span>
<span class="lineNum">      42 </span><span class="lineCov">       1621 :   sdp.HandleDocument(eventHandler);</span>
<span class="lineNum">      43 </span><span class="lineCov">        945 :   return true;</span>
<span class="lineNum">      44 </span>            : }
<span class="lineNum">      45 </span>            : 
<a name="46"><span class="lineNum">      46 </span>            : // ParseDirectives</a>
<span class="lineNum">      47 </span>            : // . Reads any directives that are next in the queue.
<span class="lineNum">      48 </span><span class="lineCov">       2036 : void Parser::ParseDirectives() {</span>
<span class="lineNum">      49 </span><span class="lineCov">       2036 :   bool readDirective = false;</span>
<span class="lineNum">      50 </span>            : 
<span class="lineNum">      51 </span><span class="lineCov">       1593 :   while (1) {</span>
<span class="lineNum">      52 </span><span class="lineCov">       3629 :     if (m_pScanner-&gt;empty())</span>
<span class="lineNum">      53 </span><span class="lineCov">        136 :       break;</span>
<span class="lineNum">      54 </span>            : 
<span class="lineNum">      55 </span><span class="lineCov">       3275 :     Token&amp; token = m_pScanner-&gt;peek();</span>
<span class="lineNum">      56 </span><span class="lineCov">       3275 :     if (token.type != Token::DIRECTIVE)</span>
<span class="lineNum">      57 </span><span class="lineCov">       1621 :       break;</span>
<span class="lineNum">      58 </span>            : 
<span class="lineNum">      59 </span>            :     // we keep the directives from the last document if none are specified;
<span class="lineNum">      60 </span>            :     // but if any directives are specific, then we reset them
<span class="lineNum">      61 </span><span class="lineCov">       1654 :     if (!readDirective)</span>
<span class="lineNum">      62 </span><span class="lineCov">        444 :       m_pDirectives.reset(new Directives);</span>
<span class="lineNum">      63 </span>            : 
<span class="lineNum">      64 </span><span class="lineCov">       1654 :     readDirective = true;</span>
<span class="lineNum">      65 </span><span class="lineCov">       1654 :     HandleDirective(token);</span>
<span class="lineNum">      66 </span><span class="lineCov">       1593 :     m_pScanner-&gt;pop();</span>
<span class="lineNum">      67 </span>            :   }
<a name="68"><span class="lineNum">      68 </span><span class="lineCov">       1757 : }</span></a>
<span class="lineNum">      69 </span>            : 
<span class="lineNum">      70 </span><span class="lineCov">       1654 : void Parser::HandleDirective(const Token&amp; token) {</span>
<span class="lineNum">      71 </span><span class="lineCov">       1654 :   if (token.value == &quot;YAML&quot;)</span>
<span class="lineNum">      72 </span><span class="lineCov">         42 :     HandleYamlDirective(token);</span>
<span class="lineNum">      73 </span><span class="lineCov">       1612 :   else if (token.value == &quot;TAG&quot;)</span>
<span class="lineNum">      74 </span><span class="lineCov">        874 :     HandleTagDirective(token);</span>
<span class="lineNum">      75 </span><span class="lineCov">       1593 : }</span>
<span class="lineNum">      76 </span>            : 
<a name="77"><span class="lineNum">      77 </span>            : // HandleYamlDirective</a>
<span class="lineNum">      78 </span>            : // . Should be of the form 'major.minor' (like a version number)
<span class="lineNum">      79 </span><span class="lineCov">         42 : void Parser::HandleYamlDirective(const Token&amp; token) {</span>
<span class="lineNum">      80 </span><span class="lineCov">         42 :   if (token.params.size() != 1)</span>
<span class="lineNum">      81 </span><span class="lineCov">          2 :     throw ParserException(token.mark, ErrorMsg::YAML_DIRECTIVE_ARGS);</span>
<span class="lineNum">      82 </span>            : 
<span class="lineNum">      83 </span><span class="lineCov">         40 :   if (!m_pDirectives-&gt;version.isDefault)</span>
<span class="lineNum">      84 </span><span class="lineCov">         12 :     throw ParserException(token.mark, ErrorMsg::REPEATED_YAML_DIRECTIVE);</span>
<span class="lineNum">      85 </span>            : 
<span class="lineNum">      86 </span><span class="lineCov">         56 :   std::stringstream str(token.params[0]);</span>
<span class="lineNum">      87 </span><span class="lineCov">         28 :   str &gt;&gt; m_pDirectives-&gt;version.major;</span>
<span class="lineNum">      88 </span><span class="lineCov">         28 :   str.get();</span>
<span class="lineNum">      89 </span><span class="lineCov">         28 :   str &gt;&gt; m_pDirectives-&gt;version.minor;</span>
<span class="lineNum">      90 </span><span class="lineCov">         28 :   if (!str || str.peek() != EOF)</span>
<span class="lineNum">      91 </span>            :     throw ParserException(
<span class="lineNum">      92 </span><span class="lineCov">         10 :         token.mark, std::string(ErrorMsg::YAML_VERSION) + token.params[0]);</span>
<span class="lineNum">      93 </span>            : 
<span class="lineNum">      94 </span><span class="lineCov">         18 :   if (m_pDirectives-&gt;version.major &gt; 1)</span>
<span class="lineNum">      95 </span><span class="lineCov">          2 :     throw ParserException(token.mark, ErrorMsg::YAML_MAJOR_VERSION);</span>
<span class="lineNum">      96 </span>            : 
<span class="lineNum">      97 </span><span class="lineCov">         16 :   m_pDirectives-&gt;version.isDefault = false;</span>
<span class="lineNum">      98 </span>            :   // TODO: warning on major == 1, minor &gt; 2?
<span class="lineNum">      99 </span><span class="lineCov">         16 : }</span>
<span class="lineNum">     100 </span>            : 
<span class="lineNum">     101 </span>            : // HandleTagDirective
<a name="102"><span class="lineNum">     102 </span>            : // . Should be of the form 'handle prefix', where 'handle' is converted to</a>
<span class="lineNum">     103 </span>            : // 'prefix' in the file.
<span class="lineNum">     104 </span><span class="lineCov">        874 : void Parser::HandleTagDirective(const Token&amp; token) {</span>
<span class="lineNum">     105 </span><span class="lineCov">        874 :   if (token.params.size() != 2)</span>
<span class="lineNum">     106 </span><span class="lineCov">         25 :     throw ParserException(token.mark, ErrorMsg::TAG_DIRECTIVE_ARGS);</span>
<span class="lineNum">     107 </span>            : 
<span class="lineNum">     108 </span><span class="lineCov">        849 :   const std::string&amp; handle = token.params[0];</span>
<span class="lineNum">     109 </span><span class="lineCov">        849 :   const std::string&amp; prefix = token.params[1];</span>
<span class="lineNum">     110 </span><span class="lineCov">        849 :   if (m_pDirectives-&gt;tags.find(handle) != m_pDirectives-&gt;tags.end())</span>
<span class="lineNum">     111 </span><span class="lineCov">         10 :     throw ParserException(token.mark, ErrorMsg::REPEATED_TAG_DIRECTIVE);</span>
<span class="lineNum">     112 </span>            : 
<span class="lineNum">     113 </span><span class="lineCov">        839 :   m_pDirectives-&gt;tags[handle] = prefix;</span>
<a name="114"><span class="lineNum">     114 </span><span class="lineCov">        839 : }</span></a>
<span class="lineNum">     115 </span>            : 
<span class="lineNum">     116 </span><span class="lineNoCov">          0 : void Parser::PrintTokens(std::ostream&amp; out) {</span>
<span class="lineNum">     117 </span><span class="lineNoCov">          0 :   if (!m_pScanner.get())</span>
<span class="lineNum">     118 </span><span class="lineNoCov">          0 :     return;</span>
<span class="lineNum">     119 </span>            : 
<span class="lineNum">     120 </span><span class="lineNoCov">          0 :   while (1) {</span>
<span class="lineNum">     121 </span><span class="lineNoCov">          0 :     if (m_pScanner-&gt;empty())</span>
<span class="lineNum">     122 </span><span class="lineNoCov">          0 :       break;</span>
<span class="lineNum">     123 </span>            : 
<span class="lineNum">     124 </span><span class="lineNoCov">          0 :     out &lt;&lt; m_pScanner-&gt;peek() &lt;&lt; &quot;\n&quot;;</span>
<span class="lineNum">     125 </span><span class="lineNoCov">          0 :     m_pScanner-&gt;pop();</span>
<a name="126"><span class="lineNum">     126 </span>            :   }</a>
<span class="lineNum">     127 </span>            : }
<span class="lineNum">     128 </span><span class="lineCov">       6108 : }</span>
</pre>
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